A genetic study reveals that it is not coffee itself, but how long caffeine remains in the blood, that influences the risk of diabetes.

Excessive caffeine consumption from energy drinks can raise the risk of stroke, heart rhythm disorders and dehydration, ...

The levels of caffeine in your blood could affect the amount of body fat you carry, a factor that in turn could determine your risk of developing type 2 diabetes and cardiovascular diseases. Those are ...

Suddenly stopping caffeine can cause the brain to go into withdrawal. This happens because caffeine temporarily block receptors, and then when the caffeine is stopped, the brain releases too much of ...

For most people, consuming some caffeine is harmless — but too much can be dangerous. Recent news coverage has raised questions about the amount of caffeine in some popular drinks and what consumers ...

While occasional caffeine consumption can cause a temporary rise in blood pressure, regular, moderate coffee consumption does ...

You may wake up in the morning desperate for a cup of coffee (or four) to kickstart your day. However, a new study says that overdoing it on caffeine may have implications for your heart. The new ...

Could coffee help to counteract some of the effects of alcohol on the brain, and potentially limit the risk of addiction? That's what's suggested by a new study of how caffeine interacts with the ...

Were you tossing and turning last night and cursing yourself for the iced caramel macchiato you drank in the late afternoon? Do you worry about the amount of caffeine in a Mountain Dew? Caffeine is ...

It could be your best shot at a productive day. Coffee offers a bevy of health perks, from boosting brain function and ...

Join Morgan on a two-day caffeine experiment that compares the effects of low-caffeine vs. high-caffeine coffee on daily ...